Can music be a medical instrument? In a moving talk from TEDMed, Robert Gupta reveals that it certainly can be. He gives as an example the work of neuroscientist Gottfried Schlaug, one of the pioneers of melodic intonation therapy. Schlaug noticed that, while stroke victims with aphasia could not utter a sentence, they could still sing the lyrics to songs. In these patients, studying music essentially rewired their brains.
(Via TED Blog.)